WO2020186498A1

WO2020186498A1 - Integrated imaging display system

Info

Publication number: WO2020186498A1
Application number: PCT/CN2019/078977
Authority: WO
Inventors: 洪涛
Original assignee: 京东方科技集团股份有限公司
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-09-24
Also published as: CN112166370B; EP3958037A4; US11226491B2; CN112166370A; US20210215947A1; EP3958037A1

Abstract

An integrated imaging display system, which relates to the field of display technology, comprising: a display device (101), and a polarization conversion element (102), an optical path folding element (103) and a micro-lens array (104) which are located on a light emitting side of the display device (101). The polarization conversion element (102) is configured to convert light emitted from the display device (101) into first linearly polarized light in a first polarization state and second linearly polarized light in a second polarization state; the optical path folding element (103) is configured to transmit the first linearly polarized light to the micro-lens array (104) according to a first transmission path and transmit the second linearly polarized light to the micro-lens array (104) according to a second transmission path; and the micro-lens array (104) is configured to form a first three-dimensional display image within a first depth of field range on the basis of the first linearly polarized light, and form a second three-dimensional display image within a second depth of field range on the basis of the second linearly polarized light. The imaging space of the integrated imaging display system in the present solution comprises two depth of field ranges, which expands the depth of field range of the imaging space.

Description

Integrated imaging display system

Technical field

The present disclosure relates to the field of display technology, and in particular to an integrated imaging display system.

Background technique

As a naked eye 3D display technology, integrated imaging display technology has become an important research in the field of 3D display because of its ability to provide true 3D real-time stereo images with full parallax, continuous viewpoint and full color, and to overcome visual fatigue. Subject. Integrated imaging display technology usually uses a microlens array to realize three-dimensional image reconstruction.

Summary of the invention

The embodiment of the present disclosure provides an integrated imaging display system.

In one aspect, an integrated imaging display system is provided. The integrated imaging display system includes a display device, and a polarization conversion element, an optical path folding element, and a microlens array on the light exit side of the display device. The polarization conversion element, The optical path folding element and the microlens array are sequentially arranged in a direction away from the display device;

The polarization conversion element is configured to convert light emitted from the display device into first linearly polarized light in a first polarization state and second linearly polarized light in a second polarization state, and the first polarization state and the second polarization state are Different polarization states;

The optical path folding element is configured to transmit the first linearly polarized light to the micro lens array according to a first transmission path, and to transmit the second linearly polarized light to the micro lens array according to a second transmission path, The length of the first transmission path is greater than the length of the second transmission path;

The microlens array is configured to form a first three-dimensional display image in a first depth of field range based on the first linearly polarized light, and to form a second three-dimensional display image in a second depth of field range based on the second linearly polarized light, Wherein, the first distance between the central depth surface of the first depth range and the light exit surface of the display device is smaller than the first distance between the central depth surface of the second depth range and the light exit surface of the display device Two distance.

Optionally, the microlens array includes a plurality of microlenses, the optical path folding element includes a plurality of optical path folding units corresponding to the plurality of microlenses one-to-one, and the optical path folding unit is positioned on the light exit surface. The orthographic projection coincides with the orthographic projection of the corresponding microlens on the light-emitting surface;

The optical path folding unit is configured to transmit the first linearly polarized light to the corresponding microlens according to the first transmission path, and to transmit the second linearly polarized light to the corresponding microlens according to the second transmission path. lens.

Optionally, each of the optical path folding units includes a polarization beam splitting element and two reflective elements;

The two reflecting elements are arranged oppositely, the polarization splitting element is located between the two reflecting elements, and both ends of the polarization splitting element are in contact with the two reflecting elements respectively;

The angle between the light splitting surface of the polarization beam splitting element and the light incident surface of the corresponding microlens is an acute angle, and the angle between the light splitting surface of the polarization beam splitting element and the reflecting surface of each reflecting element is an acute angle, and each The reflection surface of the reflection element intersects the light exit surface of the polarization conversion element;

The polarization beam splitting element is configured to transmit the light of the first polarization state and reflect the light of the second polarization state;

The reflecting element is configured to change the polarization state of incident light and reflect the light after the polarization state is changed.

Optionally, each of the optical path folding units further includes a transparent rectangular parallelepiped structure, and the orthographic projection of the transparent rectangular parallelepiped structure on the microlens array coincides with an area where one microlens is located;

The two reflective elements are reflective layers arranged on two opposite planes of the transparent rectangular parallelepiped structure, and one end of each reflective layer close to the microlens abuts against the light incident surface of the corresponding microlens. The other end of each of the reflective layers close to the polarization conversion element abuts against the light exit surface of the polarization conversion element;

The polarization splitting element is a polarization splitting film, the polarization splitting film is located on a diagonal surface of the transparent cuboid structure, one end of the polarization splitting film abuts against one end of the reflective layer, the polarization splitting film The other end of the reflective layer abuts against the other end of the other reflective layer.

Optionally, the transparent rectangular parallelepiped structure is composed of two triangular prism structures, and the polarizing light splitting film is provided on the rectangular surface where the two triangular prism structures are in contact.

Optionally, the transparent rectangular parallelepiped structure is a transparent cube structure, the triangular prism structure is a right-angled triangular prism structure, and the reflective surface of each reflective element is perpendicular to the light-emitting surface of the polarization conversion element.

Optionally, the transparent rectangular parallelepiped structure and the microlens are made of glass, and the transparent rectangular parallelepiped structure in each optical path folding unit is connected to the corresponding microlens by photo glue.

Optionally, each of the reflective layers includes a quarter wave plate and a reflective film stacked in a direction away from the polarization beam splitting element.

Optionally, the plurality of optical path folding units are arranged in an array along a first direction, and two adjacent optical path folding units in the first direction share a double-sided reflective film.

Optionally, the plurality of light path folding units are arranged in an array along a first direction, and the reflective films in two adjacent light path folding units in the first direction are adjacent.

Optionally, the polarization conversion element is a polarization conversion film, and the orthographic projection of the polarization conversion film on the display device covers the display area of the display device;

One side of the polarization conversion film is attached to the light-emitting surface of the display device, and the other side of the polarization conversion film is attached to the light-incident surface of the optical path folding unit.

Optionally, the integrated imaging display system further includes a system control element connected to the polarization conversion element;

The system control element is configured to control the polarization conversion element to convert the light emitted from the display device into the first linearly polarized light in the first period of each display period, and display the light in each display period. In the second period of the cycle, controlling the polarization conversion element to convert the light emitted by the display device into the second linearly polarized light;

Wherein, the duration of each display period is greater than or equal to the refresh period of the display device.

Optionally, the duration of each display period is greater than the refresh period of the display device;

The display device is configured to display a first image in the first time period and display a second image in the second time period, and the depth of field of the first image is greater than the depth of field of the second image.

Optionally, the duration of each display period is less than 1/30 second.

Optionally, the display device includes: a display panel and an image rendering element connected to the display panel and the system control element respectively;

The image rendering element is configured to render the image to be displayed to generate image data under the control of the system control element, and send the image data to the display panel;

The display panel is configured to display an image based on the image data.

Optionally, the first polarization state is an S polarization state, the second polarization state is a P polarization state, and the polarization splitting element is configured to reflect S polarization light and transmit P polarization light.

On the other hand, a control method of an integrated imaging display system is provided, which is used to control the integrated imaging display system as described in the above aspect, and the method includes:

In the first time period of each display period, controlling the polarization conversion element to convert the light emitted by the display device into the first linearly polarized light in the first polarization state;

In the second time period of each display period, the polarization conversion element is controlled to convert the light emitted by the display device into a second linearly polarized light of a second polarization state. Different polarization states;

Optionally, the duration of each display period is greater than the refresh period of the display device, and the method further includes:

In the first time period, controlling the display device to display a first image;

In the second time period, the display device is controlled to display a second image, the depth of field of the first image is greater than the depth of field of the second image.

Optionally, the method further includes:

In the first period and the second period, the display device is controlled to display a third image.

In yet another aspect, a control device for an integrated imaging display system is provided for controlling the integrated imaging display system as described in the above aspect, and the device includes:

The first control module is configured to control the polarization conversion element to convert the light emitted by the display device into the first linearly polarized light in the first polarization state in the first time period of each display period;

The first control module is further configured to control the polarization conversion element to convert the light emitted by the display device into the second linearly polarized light in the second polarization state in the second time period of each display period, so The second polarization state is different from the first polarization state;

Optionally, the duration of each display period is greater than the refresh period of the display device, and the device further includes:

The second control module is configured to control the display device to display the first image in the first time period;

The second control module is further configured to control the display device to display a second image in the second time period, and the depth of field of the first image is greater than the depth of field of the second image.

Optionally, the device further includes:

The third control module is configured to control the display device to display a third image in the first time period and the second time period.

In yet another aspect, a system control element is provided for controlling the integrated imaging display system according to the above aspect, the system control element includes: a memory and a processor;

The memory is used to store computer programs;

The processor is configured to execute the program stored in the memory to implement the control method of the integrated imaging display system as described in the other aspect above.

In yet another aspect, a computer storage medium is provided, and when the program in the storage medium is executed by a processor, the control method of the integrated imaging display system as described in the above-mentioned another aspect can be realized.

Description of the drawings

FIG. 1 is a schematic structural diagram of an integrated imaging display system provided by an embodiment of the present disclosure;

2 is a schematic structural diagram of another integrated imaging display system provided by an embodiment of the present disclosure;

3 is a schematic structural diagram of another integrated imaging display system provided by an embodiment of the present disclosure;

4 is a schematic structural diagram of an optical path folding unit provided by an embodiment of the present disclosure;

Fig. 5 is a top view of an optical path folding element provided by an embodiment of the present disclosure;

Fig. 6 is a top view of another optical path folding element provided by an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of transmission of the first linearly polarized light in the integrated imaging display system according to an embodiment of the present disclosure;

8 is a schematic diagram of transmission of second linearly polarized light in an integrated imaging display system according to an embodiment of the present disclosure;

FIG. 9 is an oblique view of an integrated imaging display system provided by an embodiment of the present disclosure;

10 is a schematic diagram of the system depth range of the integrated imaging display system shown in FIG. 3;

FIG. 11 is a schematic structural diagram of yet another integrated imaging display system provided by an embodiment of the present disclosure;

FIG. 12 is a flowchart of a control method of an integrated imaging display system according to an embodiment of the present disclosure;

Fig. 13 is a block diagram of a system control element provided by an embodiment of the present disclosure.

detailed description

In order to make the objectives, technical solutions, and advantages of the present disclosure clearer, the following further describes the embodiments of the present disclosure in detail with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of an integrated imaging display system provided by an embodiment of the present disclosure. As shown in FIG. 1, the integrated imaging display system includes a display device 101, a polarization conversion element 102, an optical path folding element 103, and a microlens array 104 on the light exit side of the display device 101, a polarization conversion element 102, an optical path folding element 103, and The microlens array 104 is sequentially arranged along the direction away from the display device 101. Among them, the display device 101 includes a display panel.

The polarization conversion element 102 is configured to convert the light emitted by the display device 101 into a first linear polarization of a first polarization state and a second linear polarization of a second polarization state, and the first polarization state and the second polarization state are different.

Optionally, the polarization conversion element is configured to alternately convert the light emitted by the display device into the first linear polarization of the first polarization state and the second linear polarization of the second polarization state.

Optionally, the first polarization state and the second polarization state may be one of the S polarization state and the P polarization state, respectively. The polarization conversion element 102 may be a film layer structure, for example, may be a polarization conversion film. The polarization conversion element 102 may be a wafer polarization converter, a liquid crystal polarization converter, or the like.

The optical path folding element 103 is configured to transmit the first linearly polarized light to the microlens array 104 according to a first transmission path, and to transmit the second linearly polarized light to the microlens array 104 according to a second transmission path, and the length of the first transmission path is greater than The length of the second transmission path.

The microlens array 104 is configured to form a first three-dimensional display image in the first depth range ΔZ ₁ based on the first linearly polarized light, and to form a second three-dimensional display image in the second depth range ΔZ ₂ based on the second linearly polarized light.

Wherein a first distance between the center of the surface a first surface of the depth of field depth ΔZ ₁ H ₁ of the display device 101 is L _1, a second depth less than the depth range of [Delta] Z central surface ₂ H ₂ and the surface of the display device 101 The second distance between L ₂ .

Optionally, the microlens array 104 includes a plurality of microlenses 1041, the optical centers of the plurality of microlenses are located in the same plane, and the plane is parallel to the light-emitting surface of the display device. Referring to FIG. 1, the orthographic projection of each microlens 1041 on the display device 101 covers a display sub-region A of the display device 101, and each display sub-region A has one or more pixels x. The display area of the display device 101 includes multiple display sub-areas. For any display sub-area, since the emitted light of different pixels in the display sub-area has different exit positions on the corresponding microlens, the rendering image can be combined with the refraction function of the microlens to achieve light control in various directions , And then form a three-dimensional display image within the depth of field. Among them, the size of the depth of field is an important display index of the integrated imaging display system, which is used to indicate the size of the imaging space in which the integrated imaging display system can display a clear three-dimensional display image.

It should be noted that because the length of the first transmission path of the first linearly polarized light in the optical path folding element is greater than the length of the second transmission path of the second linearly polarized light in the optical path folding element, the light emitted from the display panel passes through the polarization The distance from the conversion element to the optical center of the microlens after being converted into the first linearly polarized light is greater than the distance to the optical center of the microlens after being converted into the second linearly polarized light by the polarization conversion element, that is, there are two different object distances . In the integrated imaging display system, the central depth-of-field surface of the depth-of-field range is the imaging surface of the microlens. When there are two different object distances, there are correspondingly two different image distances, that is, there are two imaging surfaces. Therefore, the integrated imaging system There are two central depth-of-field surfaces in the imaging space of, that is, it contains two depth-of-field ranges.

In summary, in the integrated imaging display system provided by the embodiments of the present disclosure, since the length of the first transmission path of the first linearly polarized light in the optical path folding element is longer than the second transmission path of the second linearly polarized light in the optical path folding element Therefore, the distance to the optical center of the microlens when the image displayed on the display device is transmitted by the first linearly polarized light is greater than the distance to the optical center of the microlens when the second linearly polarized light is transmitted, that is, there are two different objects. distance. Based on the object image relationship, it can be known that the microlens array has two imaging surfaces, that is, the integrated imaging display system has two central depth surfaces. Correspondingly, the imaging space of the integrated imaging display system includes two depth ranges. Therefore, compared with the related technology, the depth range of the imaging space is enlarged, and the display of three-dimensional display images can be realized in a large depth range, and the imaging performance of the integrated imaging display system is enhanced.

Optionally, FIG. 2 is a schematic structural diagram of another integrated imaging display system provided by an embodiment of the present disclosure. As shown in FIG. 2, the optical path folding element 103 includes a plurality of optical path folding units 1031 corresponding to the plurality of microlenses 1041 one-to-one. The orthographic projection of the optical path folding unit 1031 on the light emitting surface of the display device 101 and the corresponding microlens 1041 The orthographic projections on the light-emitting surface of the display device 101 coincide.

The optical path folding unit 1031 is configured to transmit the first linearly polarized light to the corresponding microlens according to the first transmission path, and to transmit the second linearly polarized light to the corresponding microlens according to the second transmission path.

It should be noted that the multiple light path folding units in the light path folding element correspond to the multiple microlenses in the microlens array one-to-one, and the light path folding unit can be used to control the light incident into each microlens.

Optionally, FIG. 3 is a schematic structural diagram of yet another integrated imaging display system provided by an embodiment of the present disclosure. As shown in FIG. 3, each optical path folding unit 1031 includes a polarization splitting element 1031a and two reflective elements 1031b. Referring to FIG. 3, two reflective elements 1031b are arranged oppositely, the polarization splitting element 1031a is located between the two reflective elements 1031b, and both ends of the polarization splitting element 1031a abut the two reflective elements 1031b respectively. The angle θ between the beam splitting surface of the polarization beam splitting element 1031a and the light incident surface of the corresponding microlens 1041 is an acute angle, and the angle β between the beam splitting surface of the polarization beam splitting element 1031a and the reflecting surface of each reflective element 1031b is an acute angle, each The reflective surface of the reflective element 1031b intersects the light-emitting surface of the polarization conversion element 102. Wherein, the polarization beam splitting element 1031a is configured to transmit light of the first polarization state and reflect light of the second polarization state. The reflective element 1031b is configured to change the polarization state of incident light, and reflect the light after the changed polarization state.

In the embodiment of the present disclosure, the optical path folding element may be composed of a plurality of independent optical path folding units arranged in a matrix array. Alternatively, the optical path folding element may be composed of a plurality of strip-shaped optical path folding units arranged in an array along the row direction or in an array along the column direction. Wherein, the strip light path folding unit is a strip structure including a plurality of light path folding units, and the orthographic projection of each strip light path folding unit on the microlens array coincides with the area where a row or column of microlenses is located.

Optionally, please continue to refer to FIG. 3, each optical path folding unit 1031 includes a transparent rectangular parallelepiped structure 1031c, and the orthographic projection of the transparent rectangular parallelepiped structure 1031c on the microlens array 104 coincides with an area where a microlens 1041 is located. The above-mentioned two reflective elements 1031b are reflective layers arranged on two opposite planes of the transparent rectangular parallelepiped structure 1031c. One end of each reflective layer close to the micro lens 1041 abuts the light incident surface of the corresponding micro lens 1041. The other end of each reflective layer close to the polarization conversion element 102 abuts against the light exit surface of the polarization conversion element 102. The polarization splitting element 1031a is a polarization splitting film, and the polarization splitting film is located on the diagonal surface of the transparent cuboid structure 1031c. One end of the polarization beam splitting film abuts against one end of one reflective layer, and the other end of the polarization beam splitting film abuts against the other end of the other reflective layer.

It should be noted that the two reflective elements are reflective layers arranged on two opposite planes of the transparent cuboid structure, that is, the two reflective layers are arranged in parallel. The two ends of each reflective layer respectively abut the light incident surface of the microlens and the light output surface of the polarization conversion element, which can prevent the light transmitted in a certain optical path folding unit from entering the adjacent optical path folding unit. In addition, one end of the polarizing beam splitting film abuts against one end of a reflective layer, and the other end of the polarizing beam splitting film abuts against the other end of another reflective layer, so that all light entering the optical path folding unit can be incident on the polarizing beam splitting film , And achieve effective light splitting through polarization splitting film.

Optionally, the above-mentioned transparent rectangular parallelepiped structure is composed of two triangular prism structures. A polarization splitting film is arranged on the rectangular surface where the two triangular prism structures are in contact. That is, the polarization splitting film is located between the contact surfaces of the two triangular prism structures. The material of the transparent rectangular parallelepiped structure may be glass.

Optionally, the aforementioned transparent cuboid structure may be a transparent cube structure, and the corresponding triangular prism structure is a right-angled triangular prism structure. The reflecting surface of each reflecting element is perpendicular to the light emitting surface of the polarization conversion element. That is, in the integrated imaging display system as shown in FIG. 3, the reflective surface of each reflective element 1031b is perpendicular to the light exit surface of the polarization conversion element 102, and the light splitting surface of the polarization splitting element 1031a corresponds to the microlens 1041. The angle θ of the light incident surface is 45°.

It should be noted that the reflection surface of the reflection element is perpendicular to the light exit surface of the polarization conversion element, and the angle between the beam splitting surface of the polarization beam splitting element and the light incident surface of the corresponding microlens is 45°, which can make the first linearly polarized light The incident direction of the optical path folding unit is the same as the outgoing direction, thereby ensuring the image display effect.

For example, the preparation process of the optical path folding unit provided by the embodiments of the present disclosure may include: providing two glass substrates; plating a polarization splitting film on one side of one of the glass substrates; and plating the glass substrate with a polarization splitting film on one side and the other. The glass substrate is fixed and bonded; the two glass substrates after bonding are cut and processed to obtain a rectangular parallelepiped structure composed of two glass substrates, and the polarization splitting film between the two glass substrates is located at the diagonal corner of the rectangular parallelepiped structure On the two opposite sides of the rectangular parallelepiped structure, respectively, reflecting layers are formed to obtain an optical path folding unit. The angle between each of the two opposite sides and the polarization splitting film is 45°.

Optionally, when the material of the transparent rectangular parallelepiped structure and the microlens is glass, the transparent rectangular parallelepiped structure in each optical path folding unit and the corresponding microlens can be connected by photoglue bonding.

Optionally, FIG. 4 is a schematic structural diagram of an optical path folding unit provided by an embodiment of the present disclosure. As shown in FIG. 4, the optical path folding unit 1031 includes a polarization beam splitting element 1031a and two reflective elements 1031b. The reflection element 1031b includes a quarter wave plate b1 and a reflection film b2 stacked in a direction away from the polarization beam splitting element 1031a.

It should be noted that when the first linearly polarized light emitted by the polarization conversion element passes through the optical path folding unit, it is reflected by the polarization splitting element therein, passes through a quarter-wave plate on a side end surface, and is converted into circularly polarized light. After the circularly polarized light is reflected by the reflective film, it passes through the quarter-wave plate again and is converted into second linearly polarized light in the second polarization state. The second linearly polarized light is transmitted from the polarization beam splitting element and passes through the quarter wave plate on the other side end face to be converted into circularly polarized light. After being reflected by the reflective film, the circularly polarized light passes through the quarter wave plate again. Converted to first linearly polarized light. The first linearly polarized light is reflected by the polarization splitting element to the micro lens.

Optionally, FIG. 5 is a top view of an optical path folding element provided by an embodiment of the present disclosure. As shown in FIG. 5, the multiple optical path folding units 1031 are arranged in an array along the first direction x, and two adjacent optical path folding units 1031 in the first direction x may share a double-sided reflective film. Alternatively, a plurality of optical path folding units are arranged in an array along the first direction, and the reflective films of two adjacent optical path folding units in the first direction are adjacent to each other, that is, two opposing optical path folding units may be separately provided in each optical path folding unit. The reflective film (that is, two adjacent light path folding units do not share the reflective film), the embodiment of the present disclosure does not limit this.

Optionally, FIG. 6 is a top view of another optical path folding element provided by an embodiment of the present disclosure. As shown in FIG. 6, the arrangement directions of the multiple optical path folding units 1031 may be different. For example, the arrangement direction of the optical path folding units 1031 located in the odd-numbered columns is perpendicular to the arrangement direction of the optical path folding units 1031 located in the even-numbered columns. Wherein, the arrangement direction of the light path folding unit refers to the arrangement direction of the reflective films disposed oppositely in the light path folding unit.

In the embodiments of the present disclosure, the first polarization state is the S polarization state, and the second polarization state is the P polarization state, that is, the first linear polarization is S polarization, the second linear polarization is P polarization, and the polarization splitting element is configured To reflect S-polarized light and transmit P-polarized light; or, the first polarization state is P polarization state, and the second polarization state is S polarization state, that is, the first linear polarization is P polarization, and the second linear polarization is S polarization. The polarization splitting element is configured to reflect P-polarized light and transmit S-polarized light.

For example, when the first polarization state is the S polarization state and the second polarization state is the P polarization state, the polarization beam splitting element is configured to reflect S polarization light and transmit P polarization light. FIG. 7 is a schematic diagram of the transmission of the first linearly polarized light in the integrated imaging display system according to an embodiment of the present disclosure. As shown in FIG. 7, when the light emitted by the display device 101 is converted by the polarization conversion element 102 into the first linearly polarized light (polarized light in the S polarization state), the first linearly polarized light is incident into the optical path folding unit 1031 and then polarized. The spectroscopic element 1031a is reflected to a reflective element 1031b. The reflective element 1031b converts the first linearly polarized light from the first polarization state to the second polarization state (converts the polarized light from the S polarization state to the P polarization state), and reflects the light of the second polarization state (P polarization state) Polarized light). The light of the second polarization state is transmitted from the polarization beam splitting element 1031a to the other reflecting element 1031b. The reflecting element 1031b converts the light from the second polarization state to the first polarization state (converts the polarized light from the P polarization state to the S polarization state) to obtain the first linearly polarized light (polarized light in the S polarization state), and reflects The first linearly polarized light. The first linearly polarized light is reflected by the polarization splitting element 1031a to the microlens 1041.

For another example, when the first polarization state is the S polarization state and the second polarization state is the P polarization state, the polarization beam splitting element is configured to reflect S polarization light and transmit P polarization light. FIG. 8 is a second linear polarization provided by an embodiment of the present disclosure. Schematic diagram of light transmission in an integrated imaging display system. As shown in FIG. 8, when the light emitted by the display device 101 is converted by the polarization conversion element 102 into the second linearly polarized light (polarized light of the P polarization state), after the second linearly polarized light enters the optical path folding unit 1031, the light from the polarization splitting element 1031a is transmitted to the micro lens 1041.

Optionally, FIG. 9 is an oblique view of an integrated imaging display system provided by an embodiment of the present disclosure. As shown in FIG. 9, the polarization conversion element 102, the reflection element 1031b, and the polarization splitting element 1031a are all planar structures. The polarization conversion element 102 may be a polarization conversion film. The orthographic projection of the polarization conversion film on the display device 101 covers the display area of the display device 101. One side of the polarization conversion film is attached to the light-emitting surface of the display device 101, and the other side of the polarization conversion film is attached to the light-incident surface of the light path folding unit 1031.

Illustratively, FIG. 10 is a schematic diagram of the system depth range of the integrated imaging display system shown in FIG. 3. As shown in FIG. 10, in the optical path folding element 103, the reflection surface of the reflection element is perpendicular to the light exit surface of the polarization conversion element 102, and the angle between the light splitting surface of the polarization splitting element and the light incident surface of the microlens 1041 is 45°. Note that the thickness of the microlens 1041 is d, the thickness of the optical path folding element 103 (that is, the thickness of the optical path folding unit) is a, the thickness of the polarization conversion element 102 is b, the refractive index of the microlens 1041 and the refractive index of the optical path folding element 103 are both Is n, and the focal length of the micro lens 1041 is f.

The length of the transmission path of the first linearly polarized light in the optical path folding unit is equal to 3a, and the length of the transmission path of the second linearly polarized light in the optical path folding unit is equal to a, then the object distance l ₁ 'and the first linearly polarized light corresponding to The object distance l ₂ 'corresponding to the two-line polarized light satisfies:

Since the object distance and image distance of the micro lens satisfy the object image relationship formula:

Thus the center distance l of the first depth plane depth range [Delta] Z ₁ H ₁ of the optical center of the microlens 1041 and _a second depth range [Delta] Z of the central depth plane H ₂ ₂ 1041 microlens optical center distance l ₂ satisfy :

Correspondingly, it can be calculated that the first distance L ₁ between the central depth-of-field surface H _{1 of the} first depth-of-field range ΔZ ₁ and the light-emitting surface of the display device 101 satisfies: L ₁ =l ₁ +d/n+a+b; The second distance L ₂ between the central depth-of-field surface H _{2 of the} two depth-of-field range ΔZ ₂ and the light-emitting surface of the display device 101 satisfies: L ₂ =l ₂ +d/n+a+b.

Further, the depth of field range of the first range of values of ΔZ ₁ M ₁ and the second depth of field range ΔZ ₂ M ₂ value can be calculated by the following formulas, respectively:

M ₁ =2l ₁ *(p _x /p _MLA ); M ₂ =2l ₂ *(p _x /p _MLA ).

10, p _x represents the size of the pixel in the display device 101, and p _MLA represents the distance between two adjacent micro lenses in the micro lens array 104. The range value of a certain depth range refers to the difference between the maximum value of the depth range and the minimum value of the depth range.

Optionally, there is no intersection between the first depth range and the second depth range, and the union of the first depth range and the second depth range is a continuous depth range; or, there may be an intersection between the first depth range and the second depth range , And the union of the first depth range and the second depth range is larger than any one of the first depth range and the second depth range. In practical applications, the first depth of field range and the second depth of field range can be adjusted by adjusting the parameters of the microlens, the pixel size, and the size of the light path folding unit (for example, width and height), etc. The embodiments of the present disclosure will not be repeated here. .

It should be noted that the system depth range of the integrated imaging display system provided by the embodiment of the present disclosure is the union of the first depth range and the second depth range. When the first depth range and the second depth range do not have an intersection, the system depth of field The range value of the range is equal to the sum of M ₁ and M ₂ . Therefore, compared with the related technology, the depth of field of the imaging space is expanded.

Optionally, FIG. 11 is a schematic structural diagram of yet another integrated imaging display system provided by an embodiment of the present disclosure. As shown in FIG. 11, the integrated imaging display system further includes a system control element 105 connected to the polarization conversion element 102.

The system control element 105 is configured to control the polarization conversion element 102 to convert the light emitted by the display device 101 into the first linearly polarized light in the first period of each display period, and in the second period of each display period, The polarization conversion element 102 is controlled to convert the light emitted by the display device 101 into the second linearly polarized light; wherein, the duration of each display period can be greater than or equal to the refresh period of the display device.

Optionally, the system control element may be a separate control chip in the display device, or it may be integrated in a System on Chip (SoC) in the display device, which is not limited in the embodiment of the present disclosure.

Wherein, the refresh period of the display device is the inverse of the refresh rate of the display device. The first period and the second period can be continuous periods. For example, the first period is the first half of the display period, and the second period is the second half of the display period. That is, in the first half of each display period, the system The control element controls the polarization conversion element to convert the light emitted by the display device into the first linear polarization. In the second half of each display period, the system control element controls the polarization conversion element to convert the light emitted from the display device into the second line. polarized light. Alternatively, the first time period is composed of a plurality of interval first sub-periods, the second time period is composed of a plurality of interval second sub-periods, and the plurality of first sub-periods and the plurality of second sub-periods alternate in time sequence, that is, Yes, in each display period, the system control element can control the polarization conversion element to alternately convert the light emitted from the display device into the first linearly polarized light and the second linearly polarized light multiple times. The embodiment of the present disclosure does not limit this.

Optionally, the display device provided by the embodiment of the present disclosure has a higher refresh rate. For example, the refresh rate of the display device may be greater than the upper limit of the refresh rate that can be recognized by the human eye. Among them, the refresh rate refers to the number of times the display device refreshes the image per second. Generally, the upper limit of the refresh rate that can be recognized by human eyes is 30 times per second, and the display device refreshes the image at least once every 1/30 second, that is, the refresh period of the display device is less than 1/30 second.

Optionally, the duration of each display period is also less than 1/30 second. By making the display period shorter than the minimum refresh time recognizable by the human eye, the first three-dimensional display image is displayed in the first depth of field in the first period of the display period, and the second three-dimensional display image is displayed in the second depth of field in the second period of the display period. Three-dimensional display image. When the human eye views the three-dimensional display image from the side of the imaging space away from the display device, the human eye cannot perceive the alternate display of the first three-dimensional display image and the second three-dimensional display image, that is, what the human eye perceives is The three-dimensional display image formed by the combination of the first three-dimensional display image and the second three-dimensional display image can realize the formation of a three-dimensional display image with a large depth of field in the imaging space. The first three-dimensional display image and the second three-dimensional display image in the embodiments of the present disclosure may be defined as a long-range three-dimensional display image and a close-range three-dimensional display image according to the distance from the observation position of the human eye. Among them, the central depth-of-field surface of the first depth-of-field range is far from the human eye observation position, so the first three-dimensional display image formed in the first depth-of-field range can be defined as a long-range three-dimensional display image; The observation position is relatively close, so the second three-dimensional display image formed within the second depth of field range can be defined as a close-range three-dimensional display image.

In a possible implementation manner, when the duration of each display period is greater than the refresh period of the display device; the display device is configured to display the first image in the first time period and the second image in the second time period. The depth of field of one image is greater than the depth of field of the second image.

Wherein, the duration of the display period is greater than the refresh period of the display device, and it may be that the duration of the display period is equal to an even multiple of the refresh period of the display device. Each display cycle includes an even number of refresh cycles, and the number of refresh cycles included in the first period can be made equal to the number of refresh cycles included in the second period, so that the duration of the first period in each display period is equal to the second The duration of the period.

It should be noted that both the first image and the second image may be images with a small depth of field, and the depth of field of the first image may be greater than that of the second image. A small depth of field image indicates that the depth range of the scene contained in the image is small, and the depth of field of the image refers to the depth of the scene in the image. Wherein, the first image is used to form a long-range three-dimensional display image within the first depth of field range, and the second image is used to form a close-range three-dimensional display image within the second depth of field range.

In another possible implementation manner, the display device is configured to display the third image during the display period. That is, the display device is configured to display the third image in both the first period and the second period.

It should be noted that the third image may be an image with a large depth of field, which indicates that the depth range of the scene contained in the image is large. For example, the large depth of field image may include a scene image with a large depth (may be called a distant scene image) And a scene image with a smaller depth (may be called a close-up image). In the first period of the display period, the integrated imaging display system can form a long-range three-dimensional display image based on the long-range image in the third image within the first depth of field; in the second period of the display period, the integrated imaging display system can be based on the first The close-range images in the three images form a close-range three-dimensional display image within the second depth of field.

Optionally, referring to FIG. 11, the display device 101 includes: a display panel (not separately shown in the figure) and image rendering elements (not separately shown in the figure) connected to the display panel and the system control element 105; It is configured to render the image to be displayed under the control of the system control element to generate image data, and send the image data to the display panel; the display panel is configured to display the image based on the image data.

Optionally, the image rendering element may be a Graphics Processing Unit (GPU).

Illustratively, the embodiment of the present disclosure takes the integrated imaging display system as shown in FIG. 11 as an example to describe the imaging process of forming a three-dimensional display image with a large depth of field in one display period, where it is assumed that the first linearly polarized light is S Linearly polarized light, the second linearly polarized light is P linearly polarized light.

In the first period of the display cycle, the system control element controls the image rendering element to render the image to be displayed to generate image data corresponding to the distant image, and send the image data corresponding to the distant image to the display panel, and the display panel is based on the image corresponding to the distant image The image data shows a distant view image. The system control element controls the polarization conversion element to convert the light emitted from the display panel into S linear polarized light. After the S linearly polarized light enters the optical path folding element, it is reflected by the polarization splitting element, and passes through a quarter wave plate on one side end of the optical path folding unit, and is converted into circularly polarized light. After the circularly polarized light is reflected by the reflective film, it passes through the quarter wave plate again and is converted into light of the P polarization state. The light of the P polarization state is transmitted from the polarization beam splitting element, and passes through the quarter wave plate on the other side end surface of the optical path folding unit, and is converted into circularly polarized light. After the circularly polarized light is reflected by the reflective film, it passes through the quarter wave plate again and is converted into S linearly polarized light. The S linearly polarized light is reflected by the polarization splitting element and then passes through the microlens array to form a long-range three-dimensional display image within the first depth of field.

In the second period of the display cycle, the system control element controls the image rendering element to render the image to be displayed to generate image data corresponding to the close-range image, and send the image data corresponding to the close-range image to the display panel, and the display panel is based on the corresponding The image data shows a close-up image. The system control element controls the polarization conversion element to convert the light emitted from the display panel into P linear polarized light. After the P linearly polarized light enters the optical path folding element, it is transmitted from the polarization beam splitting element and then passes through the micro lens array to form a close-range three-dimensional display image in the second depth of field.

By forming a long-range three-dimensional display image in the first depth-of-field range in the first period of the display period and forming a close-range three-dimensional display image in the second depth-of-field range in the second period of the display period, imaging of a three-dimensional display image with a large depth of field is realized.

In summary, in the integrated imaging display system provided by the embodiments of the present disclosure, since the length of the first transmission path of the first linearly polarized light in the optical path folding element is longer than the second transmission path of the second linearly polarized light in the optical path folding element Therefore, the distance to the optical center of the microlens when the image displayed on the display device is transmitted by the first linearly polarized light is greater than the distance to the optical center of the microlens when the second linearly polarized light is transmitted, that is, there are two different objects. distance. Based on the object-image relationship, it can be known that the micro lens array has two imaging surfaces, that is, the integrated imaging display system has two central depth-of-field surfaces. Correspondingly, the imaging space of the integrated imaging display system includes two depth ranges. Therefore, compared with the related technology, the depth range of the imaging space is enlarged, and the display of three-dimensional display images can be realized in a large depth range, and the imaging performance of the integrated imaging display system is enhanced.

FIG. 12 is a flowchart of a control method of an integrated imaging display system provided by an embodiment of the present disclosure. It can be used to control the integrated imaging display system shown in any one of FIGS. 1 to 3, and the control method can be applied to the system control element in the integrated imaging display system shown in FIG. 11. As shown in Figure 12, the method includes the following working processes:

In step 201, in the first period of each display period, the polarization conversion element is controlled to convert the light emitted by the display device into the first linearly polarized light in the first polarization state.

In step 202, in the second period of each display period, the polarization conversion element is controlled to convert the light emitted from the display device into a second linearly polarized light in a second polarization state, which is different from the first polarization state.

Optionally, the first linearly polarized light and the second linearly polarized light may be one of S linearly polarized light and P linearly polarized light, respectively. Wherein, the refresh period of the display device is the inverse of the refresh rate of the display device. The first period and the second period can be continuous periods. For example, the first period is the first half of the display period, and the second period is the second half of the display period. That is, in the first half of each display period, the system The control element controls the polarization conversion element to convert the light emitted by the display device into the first linear polarization. In the second half of each display period, the system control element controls the polarization conversion element to convert the light emitted from the display device into the second line. polarized light. Alternatively, the first time period is composed of a plurality of interval first sub-periods, the second time period is composed of a plurality of interval second sub-periods, and the plurality of first sub-periods and the plurality of second sub-periods alternate in time sequence, that is, Yes, in each display period, the system control element controls the polarization conversion element to alternately convert the light emitted from the display device into the first linearly polarized light and the second linearly polarized light multiple times. The embodiment of the present disclosure does not limit this.

Optionally, the display device provided by the embodiment of the present disclosure has a higher refresh rate. For example, the refresh rate of the display device may be greater than the upper limit of the refresh rate that can be recognized by the human eye. Among them, the refresh rate refers to the number of times the display device refreshes the image per second. Generally, the upper limit of the refresh rate that can be recognized by human eyes is 30 times per second, and the display device refreshes the image at least once every 1/30 second.

Optionally, the duration of each display period is less than 1/30 second. By making the display period shorter than the refresh time of the human eye, the first three-dimensional display image is displayed in the first depth of field in the first period of the display period, and the second three-dimensional display image is displayed in the second depth of field in the second period of the display period When the human eye views the three-dimensional display image from the side of the imaging space away from the display device, the human eye cannot perceive the alternate display of the first three-dimensional display image and the second three-dimensional display image, that is, what the human eye perceives is the first three-dimensional display. The three-dimensional display image formed by the combination of the display image and the second three-dimensional display image can thus form a three-dimensional display image with a large depth of field in the imaging space. Among them, the first three-dimensional display image and the second three-dimensional display image in the embodiments of the present disclosure may be defined as a long-range three-dimensional display image and a short-range three-dimensional display image according to the distance from the observation position of the human eye. Among them, the first depth of field range is far from the human eye observation position, and the first three-dimensional display image formed in the first depth of field range can be defined as a distant three-dimensional display image; the second depth of field range is closer to the human eye observation position, and the second depth of field range The second three-dimensional display image formed inside can be defined as a close-up three-dimensional display image.

In a possible implementation, when the duration of each display period is greater than the refresh period of the display device, the control method of the integrated imaging display system described above further includes the following working process:

In the first period, the display device is controlled to display the first image; in the second period, the display device is controlled to display the second image, the depth of field of the first image is greater than the depth of field of the second image.

It should be noted that both the first image and the second image may be images with a small depth of field, and the depth of field of the first image is greater than that of the second image. A small depth of field image indicates that the depth range of the scene contained in the image is small, and the depth of field of the image refers to the depth of the scene in the image. Wherein, the first image is used to form a long-range three-dimensional display image within the first depth of field range, and the second image is used to form a close-range three-dimensional display image within the second depth of field range.

In another possible implementation manner, the above-mentioned control method of the integrated imaging display system further includes the following working process: in the display period, the display device is controlled to display the third image. That is, in the first period and the second period, the display device is controlled to display the third image.

It should be noted that the sequence of steps in the control method of the integrated imaging display system provided by the embodiments of the present disclosure can be adjusted appropriately, and the steps can also be increased or decreased accordingly according to the situation. Anyone skilled in the art disclosed in this disclosure Within the technical scope, various methods that can be easily conceived should be covered by the protection scope of the present disclosure, and therefore will not be repeated.

In summary, the control method of the integrated imaging display system provided by the embodiments of the present disclosure converts the light emitted by the display device into the first linearly polarized light by controlling the polarization conversion element in the first period of each display period; and In the second period of each display period, the polarization conversion element is controlled to convert the light emitted from the display device into the second linearly polarized light. Since the length of the first transmission path of the first linearly polarized light in the optical path folding element is greater than the length of the second transmission path of the second linearly polarized light in the optical path folding element, the image displayed on the display device is transmitted by the first linearly polarized light When the distance to the optical center of the microlens is greater than the distance to the optical center of the microlens when the second linearly polarized light is used for transmission, that is, there are two different object distances. Based on the object-image relationship, it can be known that the micro lens array has two imaging surfaces, that is, the integrated imaging display system has two central depth-of-field surfaces. Correspondingly, the imaging space of the integrated imaging display system includes two depth ranges. Therefore, compared with the related technology, the depth range of the imaging space is enlarged, and the display of three-dimensional display images can be realized in a large depth range, and the imaging performance of the integrated imaging display system is enhanced.

Regarding the integrated imaging display system involved in the foregoing method embodiments, the functions of each element or device have been described in detail in the structural embodiments, and detailed descriptions will not be given here.

The embodiment of the present disclosure provides a system control element for controlling the integrated imaging display system shown in any one of FIGS. 1 to 3, 9 and 11. As shown in FIG. 13, the system control element 30 includes: The memory 301 and the processor 302.

The memory 301 is used to store computer programs;

The processor 302 is configured to execute a program stored in the memory 301 to implement the control method of the integrated imaging display system as shown in FIG. 12.

Optionally, the system control element 30 further includes a communication bus 303 and a communication interface 304.

The processor 302 includes one or more processing cores, and the processor 302 executes various functional applications and data processing by running computer programs and units.

The memory 301 may be used to store computer programs and units. Specifically, the memory may store an operating system and at least one application program unit required by a function. The operating system can be a real-time operating system (Real Time eXecutive, RTX), LINUX, UNIX, WINDOWS, or OS X.

There may be multiple communication interfaces 304, and the communication interfaces 304 are used to communicate with other storage devices or network devices. For example, in an embodiment of the present disclosure, the communication interface 304 may be used to send control instructions to the display device and/or the polarization conversion element.

The memory 301 and the communication interface 304 are respectively connected to the processor 302 through a communication wire 303.

The embodiment of the present disclosure provides a computer storage medium, and when the program in the storage medium is executed by a processor, the control method of the integrated imaging display system as shown in FIG. 12 can be realized.

Optionally, the computer storage medium may be a storage medium in a system control element (chip).

Those of ordinary skill in the art can understand that all or part of the steps in the foregoing embodiments can be implemented by hardware, or by a program instructing relevant hardware to be completed. The program can be stored in a computer-readable storage medium. The storage medium mentioned can be a read-only memory, a magnetic disk or an optical disk, etc.

The above are only optional embodiments of the present disclosure, and are not intended to limit the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the concept and principle of the present disclosure shall be included in the protection of the present disclosure. Within range.

Claims

An integrated imaging display system, the integrated imaging display system comprising: a display device (101), and a polarization conversion element (102), an optical path folding element (103) and a microlens array located on the light exit side of the display device (101) (104), the polarization conversion element (102), the optical path folding element (103) and the microlens array (104) are arranged in sequence along a direction away from the display device (101);

The polarization conversion element (102) is configured to convert the light emitted by the display device (101) into a first linear polarization of a first polarization state and a second polarization of a second linear polarization, the first polarization State is different from the second polarization state;

The optical path folding element (103) is configured to transmit the first linearly polarized light to the microlens array (104) according to a first transmission path, and to transmit the second linearly polarized light to the microlens array (104) according to a second transmission path In the microlens array (104), the length of the first transmission path is greater than the length of the second transmission path;

The microlens array (104) is configured to form a first three-dimensional display image in a first depth of field based on the first linearly polarized light, and to form a second three-dimensional display image in a second depth of field based on the second linearly polarized light An image is displayed, wherein the first distance between the central depth surface of the first depth range and the light emitting surface of the display device (101) is smaller than the central depth surface of the second depth range and the display device ( 101) The second distance between the light-emitting surfaces.
The integrated imaging and display system according to claim 1, wherein the microlens array (104) includes a plurality of microlenses (1041), and the optical path folding element (103) includes and the plurality of microlenses (1041) One-to-one correspondence of multiple optical path folding units (1031), the orthographic projection of the optical path folding unit (1031) on the light exit surface coincides with the orthographic projection of the corresponding microlens (1041) on the light exit surface;

The optical path folding unit (1031) is configured to transmit the first linearly polarized light to the corresponding microlens (1041) according to the first transmission path, and to transmit the second linearly polarized light according to the second transmission path The light is transmitted to the corresponding micro lens (1041).
The integrated imaging display system according to claim 2, wherein each of the optical path folding units (1031) comprises a polarization splitting element and two reflective elements;

The two reflecting elements are arranged oppositely, the polarization splitting element is located between the two reflecting elements, and both ends of the polarization splitting element are in contact with the two reflecting elements respectively;

The angle between the beam splitting surface of the polarization beam splitting element and the light incident surface of the corresponding micro lens (1041) is an acute angle, and the angle between the beam splitting surface of the polarization beam splitting element and the reflecting surface of each reflecting element is an acute angle , The reflection surface of each of the reflection elements intersects the light exit surface of the polarization conversion element (102);

The polarization beam splitting element is configured to transmit the light of the first polarization state and reflect the light of the second polarization state;

The reflecting element is configured to change the polarization state of incident light and reflect the light after the polarization state is changed.
The integrated imaging display system according to claim 3, wherein each of the optical path folding units (1031) further comprises a transparent rectangular parallelepiped structure, and an orthographic projection of the transparent rectangular parallelepiped structure on the microlens array (104) corresponds to a The area where the micro lens (1041) is located overlaps;

The two reflective elements are reflective layers respectively disposed on two opposite surfaces of the transparent rectangular parallelepiped structure, and one end of each reflective layer close to the microlens (1041) and the corresponding microlens (1041) The light-incident surface of each of the reflection layers abuts against the light-emitting surface of the polarization conversion element (102);

The polarization splitting element is a polarization splitting film, the polarization splitting film is located on a diagonal surface of the transparent cuboid structure, one end of the polarization splitting film abuts against one end of the reflective layer, the polarization splitting film The other end of the reflective layer abuts against the other end of the other reflective layer.
4. The integrated imaging display system according to claim 4, wherein the transparent cuboid structure is composed of two triangular prism structures, and the polarizing light splitting film is provided on the rectangular surface where the two triangular prism structures are in contact.
The integrated imaging display system according to claim 5, wherein the transparent rectangular parallelepiped structure is a transparent cube structure, and the triangular prism structure is a right-angled triangular prism structure; the reflective surface of each of the reflective elements is perpendicular to the polarization The light-emitting surface of the conversion element (102).
The integrated imaging display system according to claim 6, wherein the transparent rectangular parallelepiped structure and the microlens (1041) are made of glass, and the transparent rectangular parallelepiped structure in each optical path folding unit (1031) corresponds to The micro lens (1041) is connected by photoglue bonding.
7. The integrated imaging display system according to any one of claims 4 to 7, wherein each of the reflective layers includes a quarter wave plate and a reflective film stacked in a direction away from the polarization beam splitting element.
The integrated imaging display system according to claim 8, wherein the plurality of light path folding units (1031) are arranged in an array along a first direction, and two light path folding units (1031) adjacent to each other in the first direction Sharing a reflective film, the reflective film is a double-sided reflective film.
The integrated imaging display system according to claim 8, wherein the plurality of light path folding units (1031) are arranged in an array along a first direction, and two light path folding units (1031) adjacent to each other in the first direction The reflective film in the abutting.
The integrated imaging display system according to any one of claims 2 to 10, wherein the polarization conversion element (102) is a polarization conversion film, and the orthographic projection of the polarization conversion film on the display device (101) covers all The display area of the display device (101);

One side of the polarization conversion film is attached to the light emitting surface of the display device (101), and the other side of the polarization conversion film is attached to the light incident surface of the optical path folding unit (1031).
The integrated imaging display system according to claim 1 or 11, wherein the integrated imaging display system further comprises a system control element (105) connected to the polarization conversion element (102);

The system control element (105) is configured to control the polarization conversion element (102) to convert the light emitted by the display device (101) into the first linear polarization in the first period of each display period Control the polarization conversion element (102) to convert the light emitted by the display device (101) into the second linearly polarized light in the second period of each display period;

Wherein, the duration of each display period is greater than or equal to the refresh period of the display device (101).
The integrated imaging display system according to claim 12, wherein the duration of each display period is greater than the refresh period of the display device (101);

The display device (101) is configured to display a first image in the first time period and display a second image in the second time period, the depth of field of the first image is greater than the depth of field of the second image .
The integrated imaging display system according to claim 12 or 13, wherein:

The duration of each display period is less than 1/30 second.
The integrated imaging display system according to claim 14, wherein the display device (101) comprises: a display panel and an image rendering element connected to the display panel and the system control element (105) respectively;

The image rendering element is configured to render the image to be displayed under the control of the system control element (105) to generate image data, and send the image data to the display panel;

The display panel is configured to display an image based on the image data.
The integrated imaging display system according to any one of claims 1 to 15, wherein the first polarization state is the S polarization state, the second polarization state is the P polarization state, and the polarization beam splitting element is configured to reflect S Polarized light transmits P polarized light.